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11297745 = 335531579
BaseRepresentation
bin101011000110…
…001111010001
3210020222121000
4223012033101
510343011440
61042052213
7165013014
oct53061721
923228530
1011297745
116417188
12394a069
132457474
14170137b
15ed2730
hexac63d1

11297745 has 32 divisors (see below), whose sum is σ = 20476800. Its totient is φ = 5908032.

The previous prime is 11297743. The next prime is 11297771. The reversal of 11297745 is 54779211.

It is a happy number.

11297745 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11297745 - 21 = 11297743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11297743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6366 + ... + 7944.

It is an arithmetic number, because the mean of its divisors is an integer number (639900).

Almost surely, 211297745 is an apocalyptic number.

11297745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11297745 is a deficient number, since it is larger than the sum of its proper divisors (9179055).

11297745 is a wasteful number, since it uses less digits than its factorization.

11297745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1640 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 11297745 is about 3361.2118350381. The cubic root of 11297745 is about 224.3867746502.

The spelling of 11297745 in words is "eleven million, two hundred ninety-seven thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 27 45 53 135 159 265 477 795 1431 1579 2385 4737 7155 7895 14211 23685 42633 71055 83687 213165 251061 418435 753183 1255305 2259549 3765915 11297745